Delta Gravity-Flush Toilets

Delta offers 7 gravity flush toilets models in the lineup we track. This page is the Delta-specific cut of the broader Gravity-Flush Toilets toilets category — same product class, narrowed to the Delta catalog only.

About Delta

<p>Delta's water filters lineup is one of the most-shopped in the category — and there are concrete reasons it stays that way year after year. This page is the complete index of every Delta water filters model we currently track, with verified specifications, current Amazon pricing, aggregated ratings, and head-to-head comparison links against the strongest competitors in each price tier. Before you start filtering, the next several minutes will give you the context you need to make a confident pick.</p> <h2 id="brand-overview">About Delta in water filters</h2> <p>Delta's position in the wat...

For the complete Delta lineup across all sub-types and capacities, see the Delta Toilets hub.

Delta Gravity-Flush Toilets models we track

• Delta Foundations Two-Piece Elongated 1.28 GPF Toilet (C43913) — Two-piece elongated toilet with 1.28 GPF FluidMaster flush, ADA comfort height, and traditional profile. Delta's entry-level value-tier two-piece.
• Delta Riosa One-Piece Compact 1.28 GPF Toilet (C43901) — Compact one-piece toilet with 1.28 GPF dual-flush, modern skirted design, and ADA comfort height. Delta's value-tier one-piece for space-constrained bathrooms.
• Delta Hatcher Two-Piece Elongated 1.28 GPF Comfort Height Toilet (C43101) — Delta Hatcher — modern WaterSense Comfort Height residential toilet. Brand-extension from Delta's dominant faucet line at Home Depot/Lowes Pro Desk.
• Delta Conway Two-Piece Elongated 1.28 GPF Comfort Height Toilet (C43909) — Delta Conway — value-tier Delta WaterSense Comfort Height. Sub-$280 entry into Delta toilet brand-extension family for budget Delta-faucet remodels.
• Delta Avi One-Piece Elongated 1.28 GPF Designer Toilet (C53901) — Delta Avi — Delta's designer one-piece skirted toilet. Modern aesthetic at sub-$520 for premium Delta-faucet bathroom remodels.
• Delta Verano Two-Piece Round-Front 1.28 GPF Comfort Height Toilet (C43203) — Delta Verano — round-front Delta WaterSense for powder rooms and half-baths. Brand-extension Delta toilet for tight bathroom Delta-faucet remodels.
• Delta Prelude Two-Piece Elongated 1.6 GPF Standard Height Toilet (C43011) — Delta Prelude — 1.6 GPF Delta toilet for pre-1980 housing replacement. Brand-extension Delta drainline-rescue option at sub-$260.

Other Gravity Flush toilets brands

If you're cross-shopping gravity flush toilets beyond Delta, the following brands also ship in this category:

• Kohler Gravity Flush
• TOTO Gravity Flush
• American Standard Gravity Flush
• Niagara Gravity Flush
• Eljer Gravity Flush
• Swiss Madison Gravity Flush
• Woodbridge Gravity Flush
• DeerValley Gravity Flush

About Gravity-Flush Toilets toilets

Gravity flush is the default residential toilet mechanism in the US. Water stored in the tank drops into the bowl via gravity (with the help of a flush valve at the bottom) when you press the handle, creating a siphonic flow that empties the bowl through the trapway. It's the engineering used in 95%+ of US residential toilets, including every major brand's volume models.

The flush sequence:

1. You press the handle → the trip lever lifts the flapper
2. Water rushes from the tank through the now-open flush valve into the bowl
3. The water raises the bowl water level above the trapway weir
4. Water cascades into the trapway, creating siphonic action that empties the bowl
5. Siphon breaks when air re-enters; refill cycle begi...

   For the complete gravity flush buyer's guide (all brands, full comparison framework), see the Gravity-Flush Toilets category hub.

   Other Delta filters

   Explore Delta from other angles:

   • Delta Portable Toilets
   • Delta Bidet Toilets
   • Delta Comfort Height
   • Delta Composting Toilets
   • All Delta Toilets